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WWUS20 KWNS 021302

SEL8

SPC WW 021302

NMZ000-TXZ000-022000-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 208

NWS STORM PREDICTION CENTER NORMAN OK

800 AM CDT WED MAY 2 2007



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       FAR SOUTHEASTERN NEW MEXICO

       SOUTHWEST TEXAS



EFFECTIVE THIS WEDNESDAY MORNING AND AFTERNOON FROM 800 AM UNTIL

300 PM CDT.



HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70

MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 95

STATUTE MILES EAST AND WEST OF A LINE FROM 55 MILES EAST

NORTHEAST OF HOBBS NEW MEXICO TO 85 MILES EAST SOUTHEAST OF FORT

STOCKTON TEXAS.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU8).



REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE

FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH

AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR

THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS

AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY

DO PRODUCE TORNADOES.



DISCUSSION...DEVELOPING MCS WILL CONTINUE INCREASING OVER WW THIS

MORNING AHEAD OF STRONG MID/UPPER LEVEL TROUGH NOW MOVING OUT OF AZ.

 VERY UNSTABLE AIR MASS AND SUFFICIENT SHEAR FOR SUPERCELLS WILL

ENHANCE THE POTENTIAL FOR LARGE HAIL...SOME OF WHICH COULD BECOME

QUITE LARGE.  WIND DAMAGE MAY ALSO BECOME A THREAT AS HEATING

WEAKENS NEAR-SURFACE STABLE LAYER THROUGH THE MORNING.



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 3 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM

MOTION VECTOR 27025.





...EVANS

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